The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 13801 | Magic Mirror | £ 2,172,047 | |
| 13802 | Magic Monkeyz | £ 8,114,425 | |
| 13803 | Magic Mountain | £ 72,113,974 | |
| 13804 | Magic Mushrooms | £ 160,108,013 | |
| 13805 | Magic Pie | £ 490,215,342 | |
| 13806 | Magic Rock Garden | £ 88,058,735 | |
| 13807 | Magic Round About | £ 60,232,415 | |
| 13808 | Magic Roundabout | £ 5,733,823 | |
| 13809 | Magic Tricks | £ 178,796,109 | |
| 13810 | Magic Unicorns | £ 5,507,889 | |
| 13811 | Magician | £ 43,263,578 | |
| 13812 | MagicMan LTD | £ 74,246,770 | |
| 13813 | magics | £ 89,717,576 | |
| 13814 | Magik | £ 8,435,088 | |
| 13815 | Magikarp | £ 54,441,892 | |
| 13816 | magma | £ 256,976,687 | |
| 13817 | Magnag Industries | £ 5,423,817 | |
| 13818 | Magnesia | £ 49,545,385 | |
| 13819 | Magnesium | £ -10,504,907 | |
| 13820 | Magnetic Flux Density | £ 48,160,663 | |
| 13821 | Magneto. | £ 41,525,507 | |
| 13822 | Magnets | £ 26,414,104 | |
| 13823 | Magnolia Properties | £ 5,505,968 | |
| 13824 | Magnum P.I. | £ 4,478,573,315 | |
| 13825 | Magnus | £ 9,264,800 | |
| 13826 | Magnus Global | £ 79,802,258 | |
| 13827 | MagnusCorp | £ 56,468,260 | |
| 13828 | Magoo | £ 17,276,464 | |
| 13829 | Magoos | £ 35,729,833 | |
| 13830 | Magpie | £ 172,943,574 | |
| 13831 | Magrathea | £ 54,106,264 | |
| 13832 | Mags Estate | £ 5,508,790 | |
| 13833 | Mags Ltd | £ 4,552,528 | |
| 13834 | Mags Summer | £ 5,708,628 | |
| 13835 | Mah Na Mah Na | £ 13,630,458 | |
| 13836 | Mai Kao Jai | £ 38,479,227 | |
| 13837 | Maicibai | £ 47,404,486 | |
| 13838 | Maid | £ 155,417,138 | |
| 13839 | £ 550,161,859 | ||
| 13840 | Main | £ 107,578,285 | |
| 13841 | Main Force Patrol | £ 32,257,237 | |
| 13842 | Maintenance | £ 619,311,696 | |
| 13843 | Majic | £ 25,759,014 | |
| 13844 | Majic Mushrooms | £ 54,504,646 | |
| 13845 | major proportions | £ 330,952,609 | |
| 13846 | Major Space Crossroutes | £ 167,618,040 | |
| 13847 | Major Suite | £ 17,697 | |
| 13848 | Major Tom | £ 48,920,731 | |
| 13849 | Make America Great Again | £ 5,508,261 | |
| 13850 | Make Gotham Great | £ 134,979,354 | |
| 13851 | make money | £ 4,810,592 | |
| 13852 | Make Netro Great | £ 3,983,342 | |
| 13853 | make this yet | £ 90,110,795 | |
| 13854 | makeofthis | £ 134,245,142 | |
| 13855 | Maker Inc. | £ 2,239,625 | |
| 13856 | Makes Me Feel Fine | £ 64,773,514 | |
| 13857 | Making America Great | £ 164,451,564 | |
| 13858 | Making Pennies | £ 92,844,685 | |
| 13859 | making so many | £ 85,241,085 | |
| 13860 | Mako | £ 10,829,833 | |
| 13861 | Maks a Muckle | £ 938,220,068 | |
| 13862 | Malak.Co | £ -47,512 | |
| 13863 | Malaria | £ 1,959,297 | |
| 13864 | Malawi | £ 178,768,230 | |
| 13865 | Malaysia | £ 59,026,830 | |
| 13866 | MalCo | £ 16,148,870 | |
| 13867 | Malcontent | £ 110,148,082 | |
| 13868 | Malevolence | £ 1,704,444,541 | |
| 13869 | malformed creature | £ 267,031,614 | |
| 13870 | Malice | £ 1,664,848,862 | |
| 13871 | Malicious Intent | £ 55,421,858 | |
| 13872 | Malignant Mutt | £ 55,594,011 | |
| 13873 | Malik Inc. | £ 43,598 | |
| 13874 | Malinois Inc | £ 112,063,766 | |
| 13875 | Maliwan Munitions | £ 77,654,104 | |
| 13876 | Malkowitz Industries | £ 303,579,424 | |
| 13877 | Mall | £ 33,937,859 | |
| 13878 | Mallard | £ 47,485,699 | |
| 13879 | Malt Liquor Hulk | £ 117,103,469 | |
| 13880 | Malta | £ 5,500,838 | |
| 13881 | Maltesers | £ 54,432,517 | |
| 13882 | Maltou Avenue | £ 4,176,354 | |
| 13883 | Maluku Inc. | £ 32,601,576 | |
| 13884 | MAMA | £ 10,429,149 | |
| 13885 | Mama Said Knock You Out | £ 239,813,209 | |
| 13886 | mamamiah | £ 7,580,475 | |
| 13887 | mamamiahah | £ 73,270,710 | |
| 13888 | Mamba | £ 2,211,382 | |
| 13889 | Mambeast Pte Ltd | £ -17,776,530 | |
| 13890 | mami | £ 10,204,605 | |
| 13891 | Mammaries | £ 443,603,860 | |
| 13892 | Mammi | £ 42,251,220 | |
| 13893 | Mammiiah | £ 6,959,891 | |
| 13894 | Mammon | £ 5,509,324 | |
| 13895 | mammoth proportions | £ 503,376,369 | |
| 13896 | mams secret milk | £ 5,504,304 | |
| 13897 | Man | £ 17,801,890 | |
| 13898 | Man 53 | £ 28,656,765 | |
| 13899 | Man Chu | £ 58,613 | |
| 13900 | Man Flu | £ 5,664,188 | |
